From owner-freebsd-questions@FreeBSD.ORG Wed Jan 30 15:28:37 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id EE7DD8EC for ; Wed, 30 Jan 2013 15:28:37 +0000 (UTC) (envelope-from paul@kraus-haus.org) Received: from mail-vc0-f174.google.com (mail-vc0-f174.google.com [209.85.220.174]) by mx1.freebsd.org (Postfix) with ESMTP id A476FDB for ; Wed, 30 Jan 2013 15:28:37 +0000 (UTC) Received: by mail-vc0-f174.google.com with SMTP id n11so1056328vch.19 for ; Wed, 30 Jan 2013 07:28:31 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:subject:mime-version:content-type:from:in-reply-to:date :content-transfer-encoding:message-id:references:to:x-mailer :x-gm-message-state; bh=+sP+gBtGt9p4ubXjNQ45vR8YsE27fxmlde0hj3EiVUQ=; b=l+pqaoZHQcuyabKdDQrZfmxij0gGa3VM739IXrg7+KgBMNzXu4gECijqeB+7SDUa6L 8XOQccNXHIbTh0chnLnMLBDoRI1fkQnahz0o0Y8EawlKxwt8Nk5ntb+H5rbUhruv6O6w sonZMPU9f7rl3gIwr3XKoCEE9R+i4xRkIbvGrn9hdUyKANdoiiTC6aNfJG2Mf1HoYfZs 1sC7HbxdB5Ck3eX3XuyyPHBeFFRWJkQCFG9rsEMoAuQmG881PNurkO771j8VFiWHuQDy sLj6buZTD7RT+v1qFr5L4dzDcriwAKVUTJphFT8wFmjrYXefNc3M2gljBZ9/jGRWRqwM UTPQ== X-Received: by 10.221.11.205 with SMTP id pf13mr5037179vcb.70.1359559710990; Wed, 30 Jan 2013 07:28:30 -0800 (PST) Received: from mini1.kraus-haus.org ([96.236.21.119]) by mx.google.com with ESMTPS id bj15sm1490355vdc.7.2013.01.30.07.28.29 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 30 Jan 2013 07:28:30 -0800 (PST) Subject: Re: Software raid VS hardware raid Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: text/plain; charset=us-ascii From: Paul Kraus In-Reply-To: Date: Wed, 30 Jan 2013 10:28:27 -0500 Content-Transfer-Encoding: quoted-printable Message-Id: References: <5106E301.4070707@itlegion.ru> <5107A500.4030902@itlegion.ru> <5107FC3C.4030701@itlegion.ru> <51090721.2010606@itlegion.ru> <51092ECA.6070808@itlegion.ru> To: FreeBSD Mailing List X-Mailer: Apple Mail (2.1085) X-Gm-Message-State: ALoCoQm6TNXriJzd6c9bY5OD7quxPFb0Um0SbJpzaP1obQDkP5+tIwXyxUavMnVHpimVH5Ok0X+Q X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jan 2013 15:28:38 -0000 On Jan 30, 2013, at 10:22 AM, Warren Block wrote: > If you want to use the same drive for booting, it's possible. Create = all three partitions on both drives manually. Then mirror the = freebsd-ufs partition only. The contents of the freebsd-boot partition = don't change often, and swap does not have to be mirrored. Note that if you do NOT mirror SWAP, then in the event of a disk = failure you will most likely crash when the system tries to swap in some = data from the failed drive. If you mirror swap then you do not risk a = crash due to missing swap data. -- Paul Kraus Deputy Technical Director, LoneStarCon 3 Sound Coordinator, Schenectady Light Opera Company